Selvarani Elahi's Posts (348)

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10914584678?profile=RESIZE_584xThe Innovate UK programme Analysis for Innovators (A4I) is a very different type of programme from Innovate UK. It is focused on helping individual companies to solve tricky and, perhaps, long running technical challenges, affecting existing processes, products, or services. A4I works with companies from sectors ranging from healthcare to the food and cosmetics sectors.

The National Measurement Laboratory (NML) is a founding partner of the A4I Programme and is the UK’s designated institute for chemical and bio-measurement, supporting the work of the Government Chemist.

Through A4I, we provide companies with access to our state-of-the-art measurement and analytical capabilities, helping them address problems and challenges in innovative ways, boosting their competitiveness and productivity. Other partners include, National Physical Laboratory (NPL), the National Engineering Laboratory (NEL), the Science and Technology Facilities Council (STFC), Advanced Sustainable Manufacturing TechnologiesHenry Royce InstituteNational Gear Metrology LabNational Institute for Biological Standards and ControlNewton Gateway to Mathematics

If you are new to the Programme we encourage you to watch the online A4I briefing here

Analysis for Innovators (A4I) Round 9 – Stage 1

Opens: 07/11/2022 Closes: 04/01/2023

Do you have a question for the NML? email us here

For more information about the Programme and how to apply, please visit the A4I website

 

 

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FoodBioSystems Doctoral Training Partnership (DTP) brings together six university partners: University of Reading, Cranfield University, University of Surrey, Queen’s University Belfast, Aberystwyth University, and Brunel University London.

Project title: Developing next-generation portable rapid tests for food authenticity
Project No: FBS2023-08-Campbell-qr
Lead supervisor: Katrina Campbell, Institute for Global Food Security, Queen's University Belfast
Email: katrina.campbell@qub.ac.uk
Co-supervisors:
Alexander Edwards, University of Reading, Adrian Rogers, Bio-Check (UK)

Deadline for applications: Monday 30 January at 10.00 am (GMT)

The aim of this PhD is to develop a simple effective diagnostic test for the simultaneous multiplex analysis of different animal species for example cow, sheep, porcine, turkey, chicken, equine, donkey and goat that can be used for field-based analysis.

The student will explore the feasibility of adapting current lateral flow immunoassays using several recent developments including, for example:

  • improved fluidic configurations;
  • smartphone readout using bespoke low-cost illumination systems;
  • multiplexing using different combinations of microfluidics.

These innovations will be explored alongside biorecognition element design and assay development for the industrially- and public safety-driven targets.
The PhD conducted mainly at Queen's University Belfast will offer placements at Reading University for biotechnology design and is supported by an industrial partner BIO-CHECK UK who will bring further insight into practical constraints of cost-effective mass-manufacture, marketing and basic business skills for the student.

By applying analytical science to this specific problem, the student will be able to systematically optimise assay performance, at the same time as recognising the pathway to real product development through industrial oversight.

Further information can be found here

For more information about DTP, the selection process and what its like to be a DTP student, join their Applicant Webinar on 11 January 2023 (17:00 GMT). Please complete the registration form if you would like to attend.

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UK Measurement Strategy 2022 is published

10913869075?profile=RESIZE_710xThe National Measurement System (NMS) is an essential part of the UK’s research and innovation infrastructure that is critical for science, innovation and trade.

This strategy describes how the UK will capitalise on its world-leading National Measurement System from during the 2020s and beyond.

The National Measurement System will focus on three challenges where enhanced measurement capability and expertise will support the UK:

  • the health and wellbeing of a growing population
  • managing and reducing our environmental impact
  • increasing prosperity and supporting innovation.

The UK Department for Business, Energy and Industrial Strategy (BEIS) funds the NMS. The NMS, via the Government Chemist, contributes funding for the Food Authenticity Network.

 

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10913775301?profile=RESIZE_584xOur Advisory Board Member Dr John Spink has developed the new Food Fraud Prevention section of the Handbook for Safe Processing of Nuts (4th Edition), published by the Peanut and Tree Nut Processors Association (PTNPA).

The peanut and tree nut products are both finished goods and raw material food ingredients that impact nearly the entire food supply chain.

Food Fraud Prevention Section Detail

This section has been created as a stand-alone, comprehensive overview and guide for the PTNPA members to address food fraud prevention.

The food fraud prevention section emphasizes the food fraud vulnerability assessment (FFVA) concepts and application: “One of the most important steps is calibrating the FFVA with all other food safety and enterprise-wide risks. The food fraud problems should not be ranked only versus the other food fraud problems. The same likelihood and consequence ranks, and the same enterprise-wide risk tolerance should be used. It is possible that most of the food fraud problems fall below the enterprise-wide risk tolerance.”

To reduce confusion, it is important to understand that food fraud prevention should be a part of food integrity (Figure).

Figure: Hierarchy and Relationship of Food Fraud Related Terms with the Addition of Food Protection, Food Integrity, Food Authenticity, Social Responsibility, and Food Security

A practical application is presented in terms of the Food Fraud Vulnerability Assessment two-stage approach of “Food Fraud Initial Screening (FFIS)” and then a more “detailed assessment” is conducted, as needed.

Without a Food Fraud Management System, no food fraud prevention activity would be complete. This handbook provides a step-by-step approach for completing a Vulnerability Assessment and Critical Control Point Plan (VACCP). This utilizes the Food Fraud Prevention Cycle (FFPC). The section concludes with a practical method for “Implementing a Management System” and “Integration into the Food Safety Management System.”

Reference (Free document): PTNPA, Peanut and Tree Nut Processors Association, Handbook for Safe Processing of Nuts (4th Edition), URL: https://cdn.ymaws.com/www.ptnpa.org/resource/resmgr/industry_information/2022/industry_handbook_oct22.pdf

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New Food Crime Video by the NFCU

The Food Standards Agency's National Food Crime Unit (NFCU) has published a video on the types of food crime you might come across and how to report it.



The NFCU and partners tackle food crime every day to make sure food is safe to eat and is what it says it is.

NFCU colleagues work closely with the food industry to ensure that businesses are well-informed and prepared so they know how to spot food crime and stop it.

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UK Hospitality has published a Catering Industry Guide to Good Hygiene Practice that mentions food fraud and food crime for the first time.

The industry guide to good hygiene practice provides information on legal obligations for caterers and the practical requirements to comply with food hygiene law. The guide also offers advice to operators on good practice, which although is not a legal requirement, is likely to contribute to the overall achievement of food safety and customer satisfaction.

The guide has been developed by the food industry and is recognised by the Food Standards Agency and Food Standards Scotland, in accordance with Article 8 of Retained Regulation (EC) No. 852/2004.

What changes have been made to the guide?

The updated version of the guide includes four new sections:

  1. Food crime
  2. Surplus food donating leftover food to charity
  3. Freezing and defrosting of food
  4. Chilled vacuum-packed meats – shelf life

Cost and format

An E-copy is free to download, you can access it here

A printed copy is available at a cost of £25 + postage for UKH members, and £35 + postage for non-members. To order your printed copy, please complete your details here

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10893906085?profile=RESIZE_710xIsotope ratio data are increasingly used in a variety of fields including, ecology, marine sciences, earth and geosciences, forensic science, hydrology, medicine, food (including food authenticity and origin), and climate science.
 
Over the years, there have also been changes to guidelines for measurement methods, calibration conventions and even to international measurement standards that form the base of the traceability chain for isotope delta values for H, C, N, O and S.
 
It is impossible to combine isotope ratio data from a variety of sources unless the data are accompanied by a clear description of traceability and other method details.

The UK National Measurement Laboratory at LGC was part of an international group that compiled the IUPAC Technical Report presenting minimum requirements for reporting isotope ratio data, covering analytical procedure, traceability, data processing and uncertainty evaluation.

This report will help in the standardisation of methods that involve the measurement of stable isotopes.

Read the IUPAC Technical Report on minimum requirements for publishing hydrogen, carbon, nitrogen, oxygen and sulfur stable-isotope delta results.

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10858947484?profile=RESIZE_584xSince the pandemic, almost 40% of us order takeaway food through an app or online. Some 170,000 food businesses are on three of the biggest online platforms, Just Eat, Uber Eats and Deliveroo. They have significant reach across the takeaway, restaurant and food-to-go sectors.

These three online platforms, supported by the FSA, have developed a new Food Safety Charter. The Charter commits them to make sure businesses selling food through their platforms are registered with their Local Authority and meet a minimum standard under the Food Hygiene Rating Scheme (FHRS). The Charter also commits them to use their communication channels to businesses and customers to share FSA hygiene and safety information and support those with food hypersensitivities.

This initiative is a great starting point for FSA's work with online platforms and it believes it will improve compliance of food businesses with minimum standards. FSA is working to ensure food is safe wherever you buy it, and the Food Safety Charter is an example of the FSA following our guiding principle of working with and through others to protect consumers.

If you have any thoughts on regulating online food sales, FSA would be really interested to hear them in the comments section of this blog.

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10858932281?profile=RESIZE_400xAt the 1996 World Food Summit, the Heads of State and Government reaffirmed the right of everyone to have access to safe and nutritious food, consistent with the right to adequate food and the fundamental right of everyone to be free from hunger (World Food Summit,1996). To achieve this commitment, agrifood systems will need to be transformed to sustainably deliver safe and nutritious food for all.

This publication from the Food and Agriculture Organization explores a selection of the most relevant drivers and trends identified through the FAO food safety foresight programme. While for some of the drivers and trends the food safety implications are apparent, for others these may not be as obvious. An overview of the various drivers and trends are discussed for the following selection of emerging areas of interest, as identified through the FAO food safety foresight programme:

  • Climate change
  • Consumer behaviours
  • New food sources and food production systems
  • Growing food in urban spaces
  • Technological innovations
  • Microbiomes in agrifood systems
  • circular economy
  • Food fraud.

Read full report.

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Food Supply Chain Management: A Year in Review

10845122073?profile=RESIZE_710xThis new article by our Advisory Board Member, Dr John Spink, provides a summary of the past year and drills into lessons learned and best practice recommendations.

The article can be summarized as: “The crux of the last year of supply chain management is that our problems have shifted from ‘known knowns’ to ‘unknowables.’” What I mean by this is that previously we could expect similar types of supply chain disruptions. Now, between the lingering COVID impact, the Ukraine-Russia repercussions, plus other stressors, we’re seeing many completely new and unexpected types of problems.

Read full article.

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FSA updates areas of research interest

10835253086?profile=RESIZE_584xThe Food Standards Agency (FSA) has updated its areas of research interest (ARI) to include a focus on food that is healthier and more sustainable.

FSA has added four new ARI that reflect the updated priorities in their 2022-2027 strategy: that food is safe; is what it says it is; and is healthier and more sustainable. The update includes revising the overarching research themes and the addition of four new ARI. The updated ARIs are:

Research priority one: Assuring food and feed safety and standards

  1. What is the impact of chemical hazards (including nanomaterials and microplastics) in food and how can we reduce it?
  2. What are the impacts of foodborne pathogens and how can we reduce them?  
  3. What is the impact of food hypersensitivity (including allergies and intolerance) and how can we reduce it? 
  4. What is the impact of crime, including food fraud, on the UK food supply chain, and how can we reduce it? 
  5. What are the differences in food production systems and food standards globally and how does this impact on trade and the food available to UK consumers?  
  6. What is the impact and risk of novel and non-traditional foods, additives, and processes on the food system, including on consumer confidence?  

Research priority two: Understanding consumers and our wider society

  1. How do consumers view and understand the food system, and balance their choices against multiple competing factors (including safety and standards, nutrition and health, choice, availability, affordability, sustainability, and welfare)?  
  2. What role does consumer and Food Business Operator behaviour and perception play in ensuring food safety and standards?  
  3. What impact do food insecurity and other disparities have on the consumer and the food system?  

Research priority three: Adapting to the food and feed system of the future

  1. What are the risks and opportunities presented by shifts and disruptions in the food system, including new and emerging technologies, and how should we regulate food in the future? 
  2. How can the FSA continue to be an innovative and effective regulator when developing and implementing food regulations? 

Research priority four: Addressing global grand challenges 

  1. How can the FSA improve the evidence base concerning Antimicrobial Resistance (AMR) and food?  
  2. What are the impacts of climate change, including society’s efforts to mitigate it and adapt to it, on the food system? 
  3. How can we support the necessary transition to more healthy and sustainable diets, and what will be the impact on the UK food system, including food security, safety and standards?
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EC JRC Food Fraud Report August 2022

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JRC has published its monthly summary on articles covering food fraud and adulteration. In this issue, there are articles on frauds involving:

  • olive oil
  • molasses and sugar
  • fruits, vegetables
  • soy, seafood
  • meat
  • alcoholic beverages and wine
  • cereals
  • milk
  • cheese
  • tea
  • sauces
  • fruit juices.

Read the full summary at: August 2022 JRC Food Fraud Summary

 

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High performance liquid chromatography and high-resolution mass spectrometry (HPLC-MS/MS) was used to identify gelatin from seven commercial cyprinid fishes;, black carp, grass carp, silver carp, bighead carp, common carp, crucian carp, and Wuchang bream.

By comparison with theoretical mammalian collagen (bovine and porcine collagen), the common and unique theoretical peptides were found in the collagen of grass carp, silver carp, and crucian carp, respectively.  Seven common characteristic peptides were obtained from the fish gelatins. Moreover, 44, 36, and 42 unique characteristic peptides were detected in the gelatins of grass carp, silver carp, and crucian carp, respectively.

The researchers concluded that the combined use of common and unique characteristic peptides could verify fish gelatin in comparison with mammalian gelatin.

Read abstract.

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10807044874?profile=RESIZE_710xYellow fruit varieties of tomatoes attract a premium price in many Mediterranean countries, particularly the landrace of Pomodorino giallo del Vesuvio  (“GiaGiù” or E40).

The aim of this work was to phenotypically and genotypically distinguish the GiaGiù landrace through morphological descriptors and molecular markers, in order to provide an effective tool to authenticate this product as fresh and processed tomatoes.

The distinctive traits of GiaGiù were the potato leaf morphology and the pyriform shape with a pointed apex of the yellow fruits. The genotypic distinction of E40 was performed by using two Cleaved Amplified Polymorphic Sequence (CAPS) markers designed on a Single Nucleotide Polymorphism (SNP) of the Phytoene synthase 1 (psy1) gene that confers the yellow color to tomato fruit and already known as specific of GiaGiù genotype. Additional CAPS markers were designed on two private mutations of E40 genes derived from data retrieved from a Genotyping-By-Sequencing (GBS) dataset, already available.

These findings were confirmed by comparing E40 private mutations with the 360 accessions of the BGI tomato 360 genomes resequencing project. The designed markers allowed the researchers to distinguish GiaGiù in all fresh and processed fruit tomato matrices tested, providing a molecular tool to authenticate GiaGiù products.

Read abstract.

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Authorities in the Khyber Pakhtunkhwa province of Pakistan are using a mobile testing laboratory to check the authenticity of milk sold in local shops. 

They have recently identified and destroyed more than 2,000 litres of milk diluted with water or adulterated with other chemicals and have closed a number of dairy shops.

Read full article.

 

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In this study, the Thermo Scientific™ NGS Food Authenticity Workflow was used to analyse spices and herbs.  

Reference samples were analysed to verify the specificity, and spikings down to 1% (w/w) allowed verification of its sensitivity including in complex mixtures of five different spices and/or herbs. 

272 commercial samples were collected in Asian and European markets.  78% of the commercial samples were compliant with the declared content, whereas the rest were shown to contain undeclared species that were in a few cases allergenic or potentially toxic. 

The researchers conclude that the overall workflow is user-friendly and straightforward, which makes it simple to use and facilitates data interpretation.

Access abstract.

 

 Photo by Ratul Ghosh on Unsplash

 

 

 

 

 

 

 

 

 

 

Photo by Alice Pasqual on Unsplash

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10806994475?profile=RESIZE_400xAccording to the current food legislation in Bulgaria, dried herbs are classified under the large group of food supplements and their trade is allowed in pharmacies, drugstores and grocery stores.

Researchers sampled 103 dried herb food supplements on sale in Bulgaria and analyses them using macro- and microscopic tests. 

They found that the majority of samples failed to meet specification and that there was widespread adulteration and foreign body contamination.  17.5% of samples contained species which are prohibited for consumption due to their pyrrolizidine alkaloid content.

This work implies the need for strengthening control of herbs and spices.

Read the full paper.

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UK Seizure of Illegally Harvested Shellfish

10806985279?profile=RESIZE_710xShellfish harvesting is highly regulated in most countries, including the UK.  Harvest areas are opened or closed by regulatory authorities depending on water quality and potentially toxic algal blooms.  Illegal harvesting from closed areas puts consumers at risk as they can carry E coli, norovirus or be contaminated with high levels of toxic chemicals..  It is a perennial problem and previous incidents have involved large-scale organised crime.

A recent crackdown by authorities (the council, Sussex Police, Food Standards Agency, National Food Crime Unit, Inshore Fisheries and Conservation Authority and Gangmaster Labour Abuse Authority) on the English South Coast led to the seizure of illegally harvested shellfish.

This case was part of Operation Pearl and involved months of covert investigations had taken place to understand how the illegally harvested shellfish were reaching food businesses and consumers.

Read the full article.

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